FlowTech BBC Upright Headers 2-1/4 in. w/ 4 in. Collector

Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4" tube diameters are ideal for even big cubic inch Big Block Chevy engines.

Big Block Chevy 2-1/4" Upright Headers with 4" Collector- Natural Finish.

Features:

CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing.

Heavy duty 16-gauge 409SS tubing for increased strength and durability.

2-1/4” tubing diameter for increased exhaust flow increasing performance and improved throttle response.

Extended 4” collector for maximum strength and exhaust flow.

Extra thick 7/16” header flange for a leak-free seal and maximum strength.

Welded-in collector merge spears to control exhaust gas re-entry into primary tubes.

Specifications

Collector Diameter: 4 Inch

Emission Code: 3

Finish: Natural

Header Style: Upright

Primary Tube Dia.: 2-1/4 inch

Product Type: Headers

Tube Material: 409 Stainless Steel